Fullstack Engineer (Web3)

Location: Hong Kong. Remote-first, work-from-home arrangement; availability may vary depending on the role and team.

Company

Binance is a global blockchain ecosystem providing cryptocurrency trading, finance, payments, education, research, institutional services, and other digital-asset products.

What you will do

• Own end-to-end development of frontend and backend features for wallet marketing campaigns, growth tools, and user acquisition.
• Translate product, marketing, and business development requirements into production-ready implementations with minimal handoff between frontend and backend.
• Define test approaches, write unit, API, and end-to-end automated tests, and deliver release-ready campaign features.
• Review requirements and clarify acceptance criteria, edge cases, campaign windows, reward rules, eligibility, and multi-region or multi-language behavior.
• Ship safely using feature flags, gray releases, monitoring, logs, and rollback plans.
• Champion full-stack and AI-augmented development, mentor peers, improve cross-team processes, and contribute from ideation through deployment and iteration.

Requirements

• Bachelor’s degree or above; Computer Science or an AI-related major is preferred.
• 3–8 years of professional experience and experience owning end-to-end production projects, not only personal side projects.
• Solid foundation in at least one backend language: Java or Golang; proficiency in Node.js and React.
• Familiarity with database design, data modeling, and core backend concepts.
• High proficiency with AI coding tools such as Cursor, Copilot, Claude Code, or similar, including the ability to specify requirements and constraints and review, validate, and correct generated code.
• Solid testing fundamentals, including the test pyramid, boundary values, equivalence classes, state transitions, and writing testable code.
• Hands-on experience with testing frameworks and tools such as Jest, Vitest, React Testing Library, Playwright, Cypress, JUnit, Mockito, Go testing, and API testing tools.
• Familiarity with CI/CD quality gates, coverage, linting, and troubleshooting production issues through logs, metrics, and tracing.
• Security awareness for user-facing pages, including input validation, XSS, authentication, authorization, and OWASP Top 10.
• Self-driven, product-minded, proactive, creative, and able to turn vague ideas into clear specifications while communicating and defending ideas effectively.
• Bilingual English and Mandarin required for coordination with overseas partners and stakeholders.

Nice to have

• Knowledge of Web3 and blockchain fundamentals, or experience with crypto wallets, DApps, or financial products.
• Experience building marketing pages, growth tools, campaign features, or creative and growth-oriented projects.
• Performance or load testing experience with tools such as k6 or JMeter.
• Web3 testing experience involving testnets, on-chain transaction verification, multi-chain scenarios, wallet connections, and signature flows.
• Experience with data reconciliation or testing financial-grade features such as balances, rewards, and settlement.

Culture & Benefits

• Remote-first, work-from-home arrangement, subject to the nature of the role and team.
• Work in a user-centric global organization with a flat structure and autonomy.
• Fast-paced, innovative, and results-driven environment with challenging projects.
• Opportunities for career growth and continuous learning.
• Competitive salary and company benefits.